Toshiba A50-K (PML30) User guide

Brand: Toshiba

Model: A50-K (PML30)

Type: User guide

This manual is also suitable for

Maintenance Manual

TECRA A50-K

Series

4.11

Cover Assembly and Base Assembly

4.11.2

Removing the Cover Assembly and Base Assembly

To remove the Base Assembly, follow the steps below and refer to Figure 4- 4 to

Figure 4-5.

1. Close the display panel and turn the computer face down.

2. Remove the following screws securing the Cover Assembly and

the Base Assembly.

Figure 4-4 Removing the Base Assembly (1)

3. Separate the Base Assembly and Cover Assembly while

releasing the latches using a plectrum.

Base Assembly

Cover Assembly

Figure 4-5 Removing the Base Assembly (2)

4.11.3

Installing the Base Assembly

To install the Base Assembly, follow the steps below and refer to Figure 4-4 to

Figure 4-6.

1. Set the Cover Assembly on the Base Assembly while securing

the latches.

Figure 4-6 Installing the Base Assembly

When securing the Base Assembly, be sure to drive the screws in the order of the

number on Figure 4-4.

2. Secure the Cover Assembly and Base Assembly with the screws.

3. Turn the computer, and open the display.

Take care not to short circuit the terminals when removing the battery pack.

Similarly, do not drop, knock, scratch, disassemble, twist, or bend the battery pack.

CN8021

Battery Harness

S2x4CT

4.12

Battery

pack

4.12.1

Removing the Battery pack

To remove the battery pack, follow the steps below and refer to Figure 4-7 and Figure 4-8.

1. Disconnect the BATTERY HARNESS from the connector CN8021

on the SYSTEM board.

2. Remove the following screws and the battery pack.

Figure 4-7 Releasing the battery pack (1)

3. Disconnect the BATTERY HARNESS from the connector on the

battery pack.

Battery Harness

Battery

Dispose of the used/removed battery pack in accordance with the laws

and ordinances

of your local authority.

The lithium ion battery pack may explode if not fitted, operated, handled, or disposed

correctly. Dispose always the used battery pack in accordance with the laws and

ordinances of your local authority.

Use only the batteries approved by Dynabook.

Check the battery’s terminals visually. If they are dirty, wipe them clean with a dry

cloth.

Figure 4-8 Releasing the battery pack (2)

4.12.2

Installing the Battery pack

To install the battery pack, follow the steps below and refer to Figure 4-7 and Figure

4-8.

1. Peel off the separator on one side of the battery harness and connect

the BATTERY HARNESS to the connector on the battery pack.

2. Set the battery pack to the COVER ASSY and secure it with the

screws.

3. Peel off the separator on the other side of the battery harness

and connect the BATTERY HARNESS to the connector CN8021

on the SYSTEM board.

Do not touch the connectors on the memory module or on the computer. Dust or

stains on the connectors may cause memory access problems.

Never press hard or bend the memory module.

4.13

Memory

module

4.13.1

Removing the Memory module

To remove the memory module, follow the steps as detailed below:

1. Open the left and right latches outside and remove the

memory module(s).

Figure 4-9 Removing the memory module(s)

1. Latches 2. Memory module

4.13.2

Installing the Memory module

To install a memory module, follow the steps as detailed below:

1. Align the notch of the memory module with that of the memory slot and

gently insert the module into the slot at about a 30 degree angle before

holding it down until the latches on either side snap into place.

After installing the memory module, make sure that the memory module is secured

with the left and right latches.

Take care not to press on the top or bottom of a SSD. Pressure may cause the data

loss or damage to the device.

Figure 4-10 Seating the memory module

4.14

SSD

4.14.2

Removing the SSD

To remove the SSD, follow the steps below and refer to Figure 4-11.

1. Remove the the following screw and disconnect the SSD from

the connector CN1900 on the SYSTEM board.

S2x3.5BT

CN1900

SSD

To avoid damage, always hold the SSD only by its sides.

To prevent the SSD from being distorted when installing the SSD pack into the

computer, do not press the center of the SSD pack. Always hold the SSD pack by its

sides.

Figure 4-11 Removing the SSD

4.14.3

Installing the SSD

To install the SSD, follow the steps below and refer to Figure 4-12.

1. Insert the SSD to the connector CN1900 on the System

Board (FMERSY*) slantwise.

2. Push down the SSD and secure it with the screw.

Figure 4-12 Installing the SSD

CN9600

CN9640

INSU CUSHION SC

4.15

Smart Card slot

4.15.1

Removing the Smart Card slot

To remove the Smart Card slot unit, follow the steps below and refer to Figure 4-13 to

Figure 4-16.

1. Disconnect the FPC/FFC from the connector CN9600 on the

SYSTEM board and CN9640 on the USB board.

Figure 4-13 Removing the Smart Card slot (1)

2. Peel off the INSU CUSHION SC from the Smart Card slot.

Figure 4-14 Removing the Smart Card slot (2)

3. Disconnect the Smart Card FFC from the connector CN2170 on the

system board.

CN2170

S2x2BT

Smart Card Slot FFC

Smart C rd Slot

4. Remove the following screw and peel off the AL TAPE. Then slide and

lift the Smart Card slot unit shown in the following figure to remove the

Smart Card slot.

Figure 4-15 Removing the Smart Card slot (3)

5. Disconnect the Smart Card FFC from the connector on the Smart

Card slot.

Figure 4-16 Removing the Smart Card slot (4)

4.15.2

Installing the Smart Card slot

To install the Smart Card slot, follow the steps below and refer to Figure 4- 13 to

Figure 4-16.

1. Connect the Smart Card FFC to the connector on the Smart Card slot.

2. Set the Smart Card slot in place and secure it the with the screw.

3. Connect the Smart Card FFC to the connector CN2170 on the

system board.

4. Stick the AL TAPE and INSU CUSHION SC in place.

5. Connect the FPC/FFC to the connector CN9600 on the SYSTEM board and

CN9640 on the USB board.

AUX (1)

(2)

WLAN Card

CN2630

INSU SQUARE

4.16

Wireless LAN card

4.16.1

Removing the Wireless LAN card

To remove the Wireless LAN card, follow the steps below and refer to Figure 4-17.

1. Peel off the INSU SQUARE.

2. Disconnect the Wireless LAN antenna cable from the connector on

the Wireless LAN card (black cable from “AUX or “1” and white cable

from “Main” or “2”).

3. Remove the stick stape and release the Wireless LAN antenna cable

from the Cover Assembly.

4. Remove the screw securing the Wireless LAN card.

5. Disconnect the Wireless LAN card from the connector CN2630 on the

System Board (FMERSY*).

Figure 4-17 Removing the Wireless LAN card

4.16.2

Installing the Wireless LAN card

To install the Wireless LAN card, follow the steps below.

1. Insert the Wireless LAN card to the connector CN2630 on the

System Board (FMERSY*) slantwise and press it to connect firmly.

2. Push down the Wireless LAN card and secure it with the screw.

3. Connect the Wireless LAN antenna cables to the connectors

(black cable to “AUX” or “1” and white cable to “Main” or “2”) on the

Wireless LAN card.

4. Arrange the Wireless LAN antenna cables and stick the tape on the

Cover Assembly.

5. Stick a new INSU SQUARE in place.

Main

AUX

4.17

module

4.17.1

Removing the 3G module

To remove the 3G module, follow the steps below and refer to Figure 4-18.

1. Peel off the INSU SQUARE.

2. Disconnect the 3G ANTENNA cables from the connectors on the

3G MODULE. (red tube from “MAIN”)

3. Remove the following screw and disconnect the 3G MODULE from

the connector CN2610 on the USB board (FMERLT*).

Figure 4-18 Removing the 3G module

4.17.2

Installing the 3G module

To install the 3G module, follow the steps below.

1. Insert the 3G MODULE to the connector CN2610 on the USB

board. Secure the 3G MODULE with the screw.

2. Connect the 3G ANTENNA cables to the connectors on the

3G MODULE. (red tube to “MAIN”)

3. Stick a new INSU SQUARE in place.

3G Module

CN2630

Fan Harness

CN3380

Fan

CN3390

Figure 4-19 Installing the 3G module

INSU

SQUARE

4.18

Fans

4.18.1

Removing the Fans

To remove the Fans, follow the steps below and refer to Figure 4-20.

1. Disconnect the Fan harness from the connector CN3380 and

CN3390

on the System Board (FMERSY*).

2. Remove the following screws and the Fans from the Cover Assembly.

Figure 4-20 Removing the Fans

4.18.2

Installing the Fans

To install the Fans, follow the steps below and refer to Figure 4-20.

Fin

S2 x 2.3CT

When removing the Fin, be sure to remove the screws in the reverse order of the

number marked on the Fin.

When installing the Fin, be sure to install the screws in the order of the number

marked on the Fin.

1. Set the Fans in place on the Cover Assembly and secure them with

the screws.

2. Connect the Fan harness to the connector CN3380 and CN3390

on the System Board (FMERSY*).

4.19

Fin

4.19.1

Removing the Fin

To remove the Fin, follow the steps below and refer to Figure 4-21.

1. Remove the following screws and then the Fin.

Figure 4-21 Removing the Fin

4.19.2

Installing the Fin

To install the Fin, follow the steps below and refer to Figure 4-21.

1. Set the Fin in place and secure it with the screws.

CN9510

CN9550

Click Pad FFC

Fingerprint

FFC

Pad

4.20

Click

pad

4.20.1

Removing the Click pad

To remove the click pad, follow the steps below and refer to Figure 4-22 to Figure 4-23.

1. Disconnect the Click Pad FFC and Fingerprint FFC from the

connectors on the Click Pad and the connectors CN9510 and

CN9550 on the System Board.

Figure 4-22 Removing the Click pad (1)

2. Remove the square cushion and peel off the gasket tape from the

Click Pad, and then peel off the Click Pad from the Cover Assembly.

Figure 4-23 Removing the Click pad (2)

4.20.2

Installing the Click pad

To install the Click pad, follow the steps below and refer to Figure 4-22 to Figure 4-24.

1. Stick the Click Pad Mylar to a new Click Pad.

2. Peel off the separator on the Click Pad RIM ASSY and stick the new

Click Pad to the Cover Assembly.

Figure 4-24 Installing the Click pad

3. Stick the gasket tape to the Click pad and stick the square cushion.

4. Connect the Click Pad FFC and Fingerprint FFC to the connector on

the Click Pad and the connector CN9510 and CN9550 on the System

Board.

4.21

Speaker

4.21.1

Removing the Speaker

To remove the Speaker, follow the steps below and refer to Figure 4-25 to Figure 4-26.

1. Remove the stick tape.

2. Disconnect the Speaker harness from the connector CN6290 on

the system board.

3. Release the Speaker harness from the guides.

Speaker

Figure 4-25 Removing the Speaker (1)

4. Remove the Speaker from the Cover Assembly.

Figure 4-26 Removing the Speaker (2)

4.21.2

Installing the Speaker

To install the Speaker, follow the steps below.

1. Set the speakers to the Cover Assembly in place.

2. Arrange the Speaker harness under the guides as shown below.

3. Connect the Speaker harness to the connector CN6290 on the system board.

4. Arrange the rest of Speaker harness as shown below, and fix it with the

stick stape.

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Toshiba A50-K (PML30) User guide

Brand: Toshiba

Model: A50-K (PML30)

Type: User guide

This manual is also suitable for

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Toshiba A50-K (PML30) User guide

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Toshiba A50-K (PML30) User guide

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